Home / 117,110.49-175,840.71-115,360.89

Finding the Fourth Proportional to 117,110.49, 175,840.71 and 115,360.89

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Solution

The fourth proportional to 117,110.49, 175,840.71 and 115,360.89 is: 173,213.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,110.49 : 175,840.71 = 115,360.89 : x
  2. Step 2: Convert to fraction form
    117,110.49/175,840.71 = 115,360.89/x
  3. Step 3: Cross multiply
    117,110.49x = 175,840.71 × 115,360.89
  4. Step 4: Simplify right side
    117,110.49x = 20,285,140,803.83
  5. Step 5: Solve for x
    x = 20,285,140,803.83/117,110.49
  6. Step 6: Final answer
    x = 173,213.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.